What can researchers expect next from PubMed Central? David Lipman, Director of the National Center for Biotechnology Information at the National Library of Medicine, gives an overview of the past, present, and future of the National Institutes of Health's archive of biomedical research articles. On its 10th anniversary, PubMed Central is one of the world's largest archives of freely accessible full-text journal articles. Its launch in February 2000 marked a major step toward providing greater access to the results of publicly funded research.